WASHINGTON — Satellite manufacturer Terran Orbital announced May 13 that Lockheed Martin has signed a new contract to purchase 18 satellite buses. Lockheed Martin will use the satellite buses to produce 18 satellites for the Space Development Agency's Tranche 2 Tracking Layer contract. 

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Sandra Erwin writes about military space programs, policy, technology and the industry that supports this sector. She has covered the military, the Pentagon, Congress and the defense industry for nearly two decades as editor of NDIA’s National Defense...